/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_MACHTRAP_H
#define _SYS_MACHTRAP_H

#pragma ident   "%Z%%M% %I%     %E% SMI"

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * This file is machine specific as is.
 * Some trap types could be made common
 * for all sparcs, but that is a project
 * in and of itself.
 */

/*
 * Hardware traps.
 */
#define T_POR                   0x001
#define T_WDR                   0x002
#define T_XIR                   0x003
#define T_SIR                   0x004
#define T_RED_EXCEPTION         0x005
#define T_INSTR_EXCEPTION       0x008
#define T_INSTR_MMU_MISS        0x009
#define T_INSTR_ERROR           0x00A
#define T_UNIMP_INSTR           0x010
#define T_PRIV_INSTR            0x011
#define T_UNIMP_LDD             0x012
#define T_UNIMP_STD             0x013
#define T_FP_DISABLED           0x020
#define T_FP_EXCEPTION_IEEE     0x021
#define T_FP_EXCEPTION_OTHER    0x022
#define T_TAG_OVERFLOW          0x023
#define T_CLEAN_WINDOW          0x024
#define T_IDIV0                 0x028
#define T_DATA_EXCEPTION        0x030
#define T_DATA_MMU_MISS         0x031
#define T_DATA_ERROR            0x032
#define T_DATA_PROT             0x033
#define T_ALIGNMENT             0x034
#define T_LDDF_ALIGN            0x035
#define T_STDF_ALIGN            0x036
#define T_PRIV_ACTION           0x037
#define T_ASYNC_ERROR           0x040
#define T_INT_LEVEL_1           0x041
#define T_INT_LEVEL_2           0x042
#define T_INT_LEVEL_3           0x043
#define T_INT_LEVEL_4           0x044
#define T_INT_LEVEL_5           0x045
#define T_INT_LEVEL_6           0x046
#define T_INT_LEVEL_7           0x047
#define T_INT_LEVEL_8           0x048
#define T_INT_LEVEL_9           0x049
#define T_INT_LEVEL_10          0x04A
#define T_INT_LEVEL_11          0x04B
#define T_INT_LEVEL_12          0x04C
#define T_INT_LEVEL_13          0x04D
#define T_INT_LEVEL_14          0x04E
#define T_INT_LEVEL_15          0x04F
#define T_VECTORED_INT          0x060
#define T_PA_WATCHPOINT         0x061
#define T_VA_WATCHPOINT         0x062
#define T_FAST_INSTR_MMU_MISS   0x064
#define T_FAST_DATA_MMU_MISS    0x068
#define T_FAST_DATA_MMU_PROT    0x06C
#define T_WIN_OVERFLOW          0x080
#define T_WIN_UNDERFLOW         0x0C0

/*
 * T_TL1 is the bit that is used to compute the trap vector address when the
 * trap is taken at TL>0.  This flag is for trap_table.s use, not trap.c use.
 */
#define T_TL1                   0x200

/*
 * Software trap type values.
 */
#define T_SOFTWARE_TRAP         0x100
#define T_ESOFTWARE_TRAP        0x1FF
#define T_OSYSCALL              (T_SOFTWARE_TRAP + ST_OSYSCALL)
#define T_BREAKPOINT            (T_SOFTWARE_TRAP + ST_BREAKPOINT)
#define T_DIV0                  (T_SOFTWARE_TRAP + ST_DIV0)
#define T_FLUSH_WINDOWS         (T_SOFTWARE_TRAP + ST_FLUSH_WINDOWS)
#define T_CLEAN_WINDOWS         (T_SOFTWARE_TRAP + ST_CLEAN_WINDOWS)
#define T_RANGE_CHECK           (T_SOFTWARE_TRAP + ST_RANGE_CHECK)
#define T_FIX_ALIGN             (T_SOFTWARE_TRAP + ST_FIX_ALIGN)
#define T_INT_OVERFLOW          (T_SOFTWARE_TRAP + ST_INT_OVERFLOW)
#define T_SYSCALL               (T_SOFTWARE_TRAP + ST_SYSCALL)
#define T_GETCC                 (T_SOFTWARE_TRAP + ST_GETCC)
#define T_SETCC                 (T_SOFTWARE_TRAP + ST_SETCC)

#define T_AST                   0x200
#define T_FLUSH_PCB             (T_AST + 0x10)
#define T_SYS_RTT_PAGE          (T_AST + 0x20)
#define T_SYS_RTT_ALIGN         (T_AST + 0x30)
#define T_FLUSHW                (T_AST + 0x40)

/* user mode flag added to trap type */
#define T_USER                  0x10000


#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_MACHTRAP_H */